From 6ac41048db8689a8d5a9c77fa07e816420d8cbb8 Mon Sep 17 00:00:00 2001
From: Brian Vaughn <bvaughn@fb.com>
Date: Thu, 24 Jan 2019 15:58:32 -0800
Subject: [PATCH] Fix bug introduced by double-rendering Functions using hooks

---
 packages/react-reconciler/src/ReactFiberBeginWork.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/react-reconciler/src/ReactFiberBeginWork.js b/packages/react-reconciler/src/ReactFiberBeginWork.js
index 9c4a72b7fedcb..e4420d7004e8e 100644
--- a/packages/react-reconciler/src/ReactFiberBeginWork.js
+++ b/packages/react-reconciler/src/ReactFiberBeginWork.js
@@ -257,7 +257,7 @@ function updateForwardRef(
     ) {
       // Only double-render components with Hooks
       if (workInProgress.memoizedState !== null) {
-        renderWithHooks(
+        nextChildren = renderWithHooks(
           current,
           workInProgress,
           render,
@@ -567,7 +567,7 @@ function updateFunctionComponent(
     ) {
       // Only double-render components with Hooks
       if (workInProgress.memoizedState !== null) {
-        renderWithHooks(
+        nextChildren = renderWithHooks(
           current,
           workInProgress,
           Component,
@@ -1252,7 +1252,7 @@ function mountIndeterminateComponent(
       ) {
         // Only double-render components with Hooks
         if (workInProgress.memoizedState !== null) {
-          renderWithHooks(
+          value = renderWithHooks(
             null,
             workInProgress,
             Component,